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Finding the Fourth Proportional to 475,370.86, 656,016.95 and 260,506.31

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Solution

The fourth proportional to 475,370.86, 656,016.95 and 260,506.31 is: 359,501.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,370.86 : 656,016.95 = 260,506.31 : x
  2. Step 2: Convert to fraction form
    475,370.86/656,016.95 = 260,506.31/x
  3. Step 3: Cross multiply
    475,370.86x = 656,016.95 × 260,506.31
  4. Step 4: Simplify right side
    475,370.86x = 170,896,554,941.96
  5. Step 5: Solve for x
    x = 170,896,554,941.96/475,370.86
  6. Step 6: Final answer
    x = 359,501.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.